🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.3

Radius: 10.7

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.45 AU - 0.71 AU

Year: 295 Days

Day: 8.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,992,068 km

• M1: 133,142 km (0.111 R)
• M2: 543,339 km (0.062 R)
• M3: 881,281 km (0.094 R)
• M4: 1,264,252 km (0.108 R)
• M5: 1,866,084 km (0.076 R)
• M6: 2,296,477 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 201.8

Radius: 10.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.55 AU - 0.61 AU

Year: 295 Days

Day: 8.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 55,992,068 km

• M1: 129,402 km (0.068 R)
• M2: 570,417 km (0.061 R)
• M3: 1,025,045 km (0.094 R)
• M4: 1,516,922 km (0.027 R)
• M5: 2,722,382 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.9

Radius: 10.8

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.84 AU - 2.6 AU

Year: 2206 Days

Day: 8.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 55,992,068 km

• M1: 141,520 km (0.117 R)
• M2: 569,220 km (0.052 R)
• M3: 964,158 km (0.043 R)
• M4: 1,832,125 km (0.086 R)
• M5: 3,225,330 km (0.119 R)
• M6: 3,656,920 km (0.093 R)
• M7: 4,142,814 km (0.102 R)
• M8: 5,433,395 km (0.071 R)
• M9: 6,381,845 km (0.117 R)
• M10: 6,728,912 km (0.118 R)
• M11: 8,501,497 km (0.117 R)
• M12: 9,247,243 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 842.5

Radius: 3.3

Gravity: 77.36 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.3 AU - 7.96 AU

Year: 11384 Days

Day: 17.9 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 55,992,068 km

• M1: 48,919 km (0.08 R)
• M2: 226,192 km (0.105 R)
• M3: 340,934 km (0.096 R)
• M4: 636,838 km (0.098 R)
• M5: 824,284 km (0.074 R)
• M6: 1,582,147 km (0.117 R)
• M7: 2,220,780 km (0.051 R)
• M8: 2,378,756 km (0.083 R)
• M9: 3,039,081 km (0.086 R)
• M10: 4,614,795 km (0.098 R)
• M11: 5,416,341 km (0.078 R)
• M12: 6,075,319 km (0.05 R)
• M13: 7,772,806 km (0.119 R)
• M14: 9,299,153 km (0.109 R)
• M15: 12,929,146 km (0.066 R)
• M16: 13,311,368 km (0.082 R)
• M17: 16,569,460 km (0.105 R)
• M18: 18,501,517 km (0.087 R)
• M19: 20,151,282 km (0.068 R)
• M20: 23,929,825 km (0.102 R)
• M21: 30,553,271 km (0.093 R)
• M22: 45,628,847 km (0.11 R)
• M23: 48,926,732 km (0.099 R)
• M24: 49,080,369 km (0.107 R)
• M25: 50,164,355 km (0.079 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 18,010 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit